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How Math Works (How It Works)
ISBN 0762102330 / 9780762102334 / 0-7621-0233-0
Publisher Readers Digest
› Find signed collectible books: 'How Math Works (How It Works)'
Here is a stimulating guide to the wonders of mathematics, packed with enlightening experiments for the whole family. Provides brain-teasing puzzles and tricks as well as educa-tional experiments that are fun to do. For ages 8-14. [via]